https://www.heger.com/de/ueber-uns/fachverbaende-und-mitgliedschaften.php

https://www.ahlstrom.com/Media/articles/ahlstrom-commits-to-more-sustainable-abrasives/

https://www.ahlstrom-munksjo.com/Media/articles/ahlstrom-munksjo-commits-to-more-sustainable-abrasives/

https://www.samedia.com/us-en/news/samedia-pioneer-member-seam

https://www.samedia.com/fr/actualites/samedia-membre-pionnier-du-seam

https://www.am-today.com/article/mirka-sengage-pour-le-developpement-durable-au-sein-du-programme-seam

https://www.mirka.com/en-ae/top/news/news/seam-news/

https://www.levanto.fi/en/2020/01/levanto-oy-is-a-member-of-the-seam-program/

https://www.saint-gobain-abrasives.com/fr-fr/actualites/communiquedepresse/saint-gobain-abrasifs-est-membre-du-programme-seam

https://www.saint-gobain-abrasives.com/en-gb/newsroom/press_releases/saint-gobain-abrasives-now-member-seam-program

https://www.vds-bonn.de/en/news/launch-of-the-new-program-focused-on-sustainability-seam/